Some people benefit from medication. There are anti-anxiety medications and antidepressants available. Benzodiazepines have also been used to lessen GAD symptoms.
Psychotherapy, or talk therapy, is a series of sessions where you talk with a psychiatrist to work through complex issues. A common type of psychotherapy is cognitive-behavioral therapy.
Transcranial Magnetic Stimulation Therapy is a non-invasive treatment. It uses magnetic fields to stimulate the area of the brain that is involved with mood control. TMS can treat a wide range of symptoms related to Generalized Anxiety Disorder.